/* Marketing landing page for GO Storage Cleaner.
   Scoped to index.html only; the compliance pages keep using styles.css.
   Static, no framework, no scripts, no tracking. Dark navy + cyan. */

:root {
  --bg-deep: #00081c;
  --bg-mid: #0a1830;
  --text: #eef3fb;
  --muted: #9aa8bf;
  --accent: #29c6ee;
  --accent-soft: rgba(41, 198, 238, 0.14);
  --card: rgba(255, 255, 255, 0.035);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(41, 198, 238, 0.35);
  --maxw: 940px;
  --maxw-narrow: 600px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(1100px 620px at 50% -10%, #103257 0%, rgba(16, 50, 87, 0) 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 55%, var(--bg-deep) 100%);
  background-attachment: fixed;
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.wrap-narrow { max-width: var(--maxw-narrow); }

.accent { color: var(--accent); }

/* ---- Vertical rhythm ---- */
section { padding: 46px 0; }

h2 {
  font-size: clamp(24px, 4vw, 30px);
  letter-spacing: -0.01em;
  text-align: center;
  margin: 0 0 10px;
}
.section-sub {
  text-align: center;
  color: var(--muted);
  margin: 0 auto 30px;
  max-width: 560px;
}

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 72px 24px 40px;
}
.hero-icon-wrap {
  width: 112px;
  height: 112px;
  border-radius: 32px;
  display: grid;
  place-items: center;
  margin: 0 auto;
  background: radial-gradient(circle at 50% 35%, rgba(34, 211, 238, 0.12), rgba(15, 23, 42, 0.72));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35), 0 0 45px rgba(34, 211, 238, 0.14);
  overflow: hidden;
}
.hero-icon {
  width: 86px;
  height: 86px;
  display: block;
  object-fit: contain;
  border-radius: 24px;
}
.hero h1 {
  font-size: clamp(32px, 6vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 24px 0 10px;
  font-weight: 700;
}
.tagline {
  font-size: clamp(17px, 3vw, 22px);
  font-weight: 600;
  margin: 0 0 16px;
  color: #cdd8ea;
}
.lede {
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 17px;
}
.pill {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}
.fineprint {
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 13.5px;
}

/* ---- Two-step cards (equal height via grid) ---- */
.steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
}
.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 19px; }
.step p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* ---- Screenshot section ---- */
.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.shot { margin: 0; text-align: center; }
.phone {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 8px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}
.phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
}
.shot figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 15px;
}

/* ---- Features (two balanced columns) ---- */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 28px;
  max-width: 720px;
  margin: 0 auto;
  list-style: none;
  padding: 0;
}
.features li {
  position: relative;
  padding-left: 30px;
  color: #d7e0ee;
  font-size: 16px;
  line-height: 1.4;
}
.features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---- Safe by design ---- */
.safety {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 30px;
}
.safety .grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 30px;
  margin-top: 8px;
}
.safety .item { display: flex; gap: 14px; align-items: flex-start; }
.safety .shield {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
}
.safety .item strong { display: block; font-weight: 650; margin-bottom: 2px; }
.safety .item span { color: var(--muted); font-size: 14.5px; line-height: 1.5; }

/* ---- Footer ---- */
footer {
  margin-top: 24px;
  border-top: 1px solid var(--border);
  padding: 36px 0 64px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
footer .links { margin-bottom: 14px; }
footer .links a { margin: 0 12px; font-weight: 600; }
footer .muted { color: var(--muted); }
footer .disclaimer {
  max-width: 640px;
  margin: 16px auto 0;
  font-size: 13px;
  line-height: 1.6;
  color: #74829a;
}

/* ---- Responsive ---- */
@media (max-width: 820px) {
  .shots { grid-template-columns: repeat(2, 1fr); max-width: 560px; margin: 0 auto; }
}
@media (max-width: 560px) {
  .steps, .features, .safety .grid, .shots { grid-template-columns: 1fr; }
  .shots { max-width: 360px; }
  .hero { padding-top: 56px; }
}